Power bank



FIG. 1 is a top perspective view of a power bank, showing our new design.

FIG. 2 is another perspective view of the power bank, shown in an environment of use.

FIG. 3 is another perspective view of the power bank, shown in another environment of use.

FIG. 4 top plan view of the power bank.

FIG. 5 is a bottom plan view of the power bank.

FIG. 6 is a left side elevation view of the power bank.

FIG. 7 is a right side elevation view of the power bank.

FIG. 8 is a rear elevation view of the power bank; and,

FIG. 9 is a front elevation view of the power bank.

The broken lines shown in FIGS. 1-9 are for the purpose of illustrating portions of the power bank that form no part of the claimed design. 

CLAIM The ornamental design for a power bank, as shown and described. 